A "suspicious" letter that caused a scare at a medical malpractice insurance company in Napa on Tuesday contained no anthrax, the Napa County Sheriff's Office and the FBI said Thursday.
An employee at The Doctors Company at 185 Greenwood Road who opened a package around 7:50 a.m. saw the word "anthrax" and a substance that resembled blood, Napa County sheriff's Capt. Tracey Stuart said.
The sheriff's office and a hazardous materials team responded and quarantined two employees who could have been exposed, Stuart said. Some of their clothing was taken for testing and they were released.
The FBI responded to the incident at 1 p.m. and took the letter to a lab for analysis. FBI spokesman Peter Lee said today that the letter did not contain anthrax and there was no human blood on it.
The business was closed Tuesday but reopened Wednesday.
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